US4629451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereotaxic array plug
Assignee: Victory YSI Inc
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Filing: 1985-09-23
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Granted: 1986-12-16
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Expires: 2005-09-23
Abstract
Abstract There is disclosed a surgical stereotaxic array plug of biocompatible material having an outer periphery adapted to be secured in a complementary threaded opening provided in the skull with bores traversing the plug for receiving and positioning therapeutic apparatus and fluid dispensing devices.
Inventors
- 👤 Arthur Winters
- 👤 Casper S. Molee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:11
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/02; A61M39/0247; A61B; A61B17/00; A61B17/34; A61B17/3403; A61B2017/3405; A61B2017/3411; A61B90/00; A61B90/10; A61B90/39; A61M2039/025; A61M2210/00; A61M2210/02; A61M2210/06; A61M2210/0693
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
83 words
A stereotaxic array plug adapted for threading into a threaded opening made in a skull comprising: a shaped body formed of a biocompatible material; said body having a top section; a bottom section a central opening extending therethrough for introducing devices for treating the brain; a plurality of satellite through openings about said central opening; radiopaque markings on said top section of said body, but not obliterating said openings; and threads in said bottom section for screwing into said opening in the skull.
Claim 2
Dependent Claim
83 words
A stereotaxic array plug adapted for threading into a threaded opening made in a skull comprising: a shaped body formed of a biocompatible material; said body having a top section; a bottom section a central opening extending therethrough for introducing devices for treating the brain; a plurality of satellite through openings about said central opening; radiopaque markings on said top section of said body, but not obliterating said openings; and threads in said bottom section for screwing into said opening in the skull.
Claim 3
Dependent Claim
23 words
The array plug of claim 1, wherein said central opening and said satellite openings are countersunk at least on the upper extremities thereof.
Claim 4
Dependent Claim
22 words
The array plug of claim 1, wherein said bottom section has a smaller diameter than said top and has said threads thereon.
Claim 5
Dependent Claim
18 words
The array plug of claim 1 further having a plurality of spaced suture openings about said satellite openings.
Claim 6
Dependent Claim
21 words
The plug of claim 1, wherein said markings extend from the outer periphery of said top section toward satellite through openings.
Claim 7
Dependent Claim
13 words
The plug of claim 1 wherein said markings consist of gold baked thereon.
Claim 8
Dependent Claim
12 words
The plug of claim 1, wherein said markings consist of baked tantalum.
Claim 9
Dependent Claim
137 words
Brain treating method comprising boring an opening in the skull above the area to be treated; inserting therein a plug comprising a shaped body formed of a biocompatible material; said body having a top section, a bottom section through opening extending therethrough for introducing devices for treating the brain; a plurality of satellite through openings about said central opening; radiopaque markings on said top section of said body, but not obliterating said openings; and threads in said bottom section for screwing into said opening in the skull; until the upper surface of said plug is substantially flush with the upper part of said opening in said skull; introducing probe means through said plug to administer a required treatment to said brain; removing said probe means from said brain and plug and closing the area over said opening.
Claim 10
Dependent Claim
137 words
Brain treating method comprising boring an opening in the skull above the area to be treated; inserting therein a plug comprising a shaped body formed of a biocompatible material; said body having a top section, a bottom section through opening extending therethrough for introducing devices for treating the brain; a plurality of satellite through openings about said central opening; radiopaque markings on said top section of said body, but not obliterating said openings; and threads in said bottom section for screwing into said opening in the skull; until the upper surface of said plug is substantially flush with the upper part of said opening in said skull; introducing probe means through said plug to administer a required treatment to said brain; removing said probe means from said brain and plug and closing the area over said opening.
Claim 11
Dependent Claim
28 words
The method of claim 8, wherein a skin flap is made of the scalp to overly the plug, said plug being left in said opening after said treatment.
Claim 12
Dependent Claim
18 words
The method of claim 9 wherein said flap is sutured over said plug after treatment of said brain.
Claim 13
Dependent Claim
48 words
In combination with a plug as defined in claim 1, a spanning means having pins projecting from the lower portion thereof and adopted to fit in at least two of said openings in said plug for inserting and tightening said plug in an opening made in a skull.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-12-15 | 1990-06-16 | 1990-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-12-15 | 1994-06-16 | 1994-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-12-15 | 1998-06-16 | 1998-12-16 | $7700.00 | Window Closed / Lapsed |